UC1843-SP
QML V 类电流模式 PWM 控制器
制造商:TI
产品信息
描述The UC1843 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off state. The under-voltage lockout threshold is 8.4 V and maximum duty cycle range is around 100%.特性 QML-V Qualified, SMD 5962-86704 Rad-Tolerant: 50 kRad (Si) TID (ELDRS Free)(1) Controlled Baseline Optimized For Off-line and DC-to-DC Converters Low Start-Up Current (<1 mA) Automatic Feed Forward Compensation Pulse-by-Pulse Current Limiting Enhanced Load Response Characteristics Under-Voltage Lockout With Hysteresis Double Pulse Suppression High Current Totem Pole Output Internally Trimmed Bandgap Reference 500-kHz Operation Low RO Error Amp(1) Radiation tolerance is a typical value based upon initial device qualification with dose rate = 10 mrad/sec. Radiation Lot Acceptance Testing is available - contact factory for details.
在线购买
型号:5962-8670410V9A
描述:-
型号:5962-8670410VPA
描述:-
型号:5962-8670402VPA
描述:-
型号:5962-8670402VXA
描述:-
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